115061665 has 4 divisors (see below), whose sum is σ = 138074004. Its totient is φ = 92049328.

The previous prime is 115061659. The next prime is 115061671. The reversal of 115061665 is 566160511.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (115061659) and next prime (115061671).

It can be written as a sum of positive squares in 2 ways, for example, as 47279376 + 67782289 = 6876^2 + 8233^2 .

It is a cyclic number.

It is not a de Polignac number, because 115061665 - 2³ = 115061657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11506162 + ... + 11506171.

It is an arithmetic number, because the mean of its divisors is an integer number (34518501).

Almost surely, 2^115061665 is an apocalyptic number.

It is an amenable number.

115061665 is a deficient number, since it is larger than the sum of its proper divisors (23012339).

115061665 is an equidigital number, since it uses as much as digits as its factorization.

115061665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23012338.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 115061665 is about 10726.6800548912. The cubic root of 115061665 is about 486.3813174186.

The spelling of 115061665 in words is "one hundred fifteen million, sixty-one thousand, six hundred sixty-five".